/*
 * (C) 2007-2012 Alibaba Group Holding Limited.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * Authors:
 *   wuhua <wq163@163.com> , boyan <killme2008@gmail.com>
 */
package com.taobao.metamorphosis.server.utils;

import java.io.File;

public class FileUtils {

    public static  void makesureDir(final File dir) {
        if (!dir.exists()) {
            if (!dir.mkdir()) {
                throw new RuntimeException("Create directory failed:" + dir.getAbsolutePath());
            }
        }
        if (!dir.isDirectory()) {
            throw new RuntimeException("Path is not a directory:" + dir.getAbsolutePath());
        }
    }

}